- Compact wireless Outdoor siren- Acoustic and visual alarming in outside area- Extra loud with 105 dB for acoustic alarm- Super bright LEDs for visual alarm- Alarm duration adjustable (1 to 10 Minutes)- Up to 5 Outdoor sirens registrable to one main unit- Splash proof to IP 54 standard- Battery operated (3 x AA Alkaline, included)- Operation by power adapter (optional)- Low battery indicator at the main base- Wall mountable (incl. fixing material)